1. National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, People’s Republic of China
2. Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, People’s Republic of China
3. Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, People’s Republic of China